switch
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Heat Shrink Tube
Powerbank Module
PCB
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Potentiometer
RCA Connector
Resistor
Transformer
Transistor
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battery holder
Lead acid battery
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core drill bits
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mic
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About 4S 30A 12.8V BMS
BMS (Battery Management System) is designed to monitor the status of batteries, control the charging/discharging process, etc. Four LiFePO4 18650 batteries can be connected to the HX-4S-F30A charge-discharge controller module at the same time.
The module has short-circuit, overcharge, and over-discharge protection. One of the charge controller’s functions is balance charging.
SPECIFICATION
| Charging Voltage | 14.8V to 18V DC |
| Max. Charge Current | 20A |
| Constant Discharge Current | 30A |
| Max. Discharge Current | 56A |
| Overcharge Detection Voltage | 3.75±0.05V |
| Overcharge Release Voltage | 3.6V±0.05V |
| Over-Discharge Detection Voltage | 2.1V±0.08V |
| Over-Discharge Release Voltage | 2.3V±0.1V |
| Over Current protection | 56±10A |
| Working Current | -30°C to 80°C |
| Over Current Protection Release Condition | Cut Load |
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